halym的博客 http://blog.youkuaiyun.com/halym/archive/2009/04/10/4063401.aspx

--查询恢复、备份、和收缩数据库的进度 SELECT DB_NAME(er.[database_id]) [DatabaseName], er.[command] AS [CommandType], er.[percent_complete], er.start_time, CONVERT(DECIMAL(5, 2), er.[percent_complete]) AS [Complete_Percent] ,CONVERT(DECIMAL(38, 2), er.[total_elaps.